body {
    font-family: 'Roboto', sans-serif;
    margin: 0;
    padding-top: 60px;
    background-color: #0a0a0a;
    color: #ffffff;
    text-align: center;
    align-items: center;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main {
    flex-grow: 1;
}

.hero {
    background: #111111;
    padding: 50px;
    box-shadow: inset 5px 5px 15px #000000, inset -5px -5px 15px #222222,
                0 0 25px #00ffcc, 0 0 50px rgba(0, 255, 204, 0.8);
    border-radius: 15px;
    width: 90%;
    max-width: 1200px;
    margin-top: 80px;
    animation: neon-glow 1.5s infinite alternate;
}

@keyframes neon-glow {
    from {
        box-shadow: inset 5px 5px 15px #000000, inset -5px -5px 15px #222222,
                    0 0 25px #00ffcc, 0 0 50px rgba(0, 255, 204, 0.8);
    }
    to {
        box-shadow: inset 5px 5px 15px #000000, inset -5px -5px 15px #222222,
                    0 0 35px #00ffcc, 0 0 70px rgba(0, 255, 204, 1);
    }
}

.btn-green {
    display: inline-block;
    background: linear-gradient(145deg, #00ffcc, #00b38f);
    color: black;
    padding: 15px 25px;
    text-decoration: none;
    border-radius: 10px;
    font-weight: bold;
    transition: 0.3s ease-in-out;
    box-shadow: 0 0 20px #00ffcc, 0 0 40px rgba(0, 255, 204, 0.8);
    border: none;
    font-size: 18px;
}

.btn-green:hover {
    background: linear-gradient(145deg, #00b38f, #00ffcc);
    box-shadow: 0 0 30px #00ffcc, 0 0 60px rgba(0, 255, 204, 1);
}

.features, .how-it-works, .promo-tips, .faq, .cta {
    background: #151515;
    padding: 50px;
    box-shadow: 8px 8px 20px #000000, -8px -8px 20px #222222,
                0 0 20px rgba(0, 255, 204, 0.6), 0 0 50px rgba(0, 255, 204, 0.4);
    margin: 20px auto;
    border-radius: 15px;
    max-width: 1000px;
    width: 90%;
    animation: neon-pulse 2s infinite alternate;
}

@keyframes neon-pulse {
    from {
        box-shadow: 8px 8px 20px #000000, -8px -8px 20px #222222,
                    0 0 20px rgba(0, 255, 204, 0.6), 0 0 50px rgba(0, 255, 204, 0.4);
    }
    to {
        box-shadow: 8px 8px 20px #000000, -8px -8px 20px #222222,
                    0 0 30px rgba(0, 255, 204, 0.8), 0 0 60px rgba(0, 255, 204, 1);
    }
}

.features-grid {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
}

.feature {
    width: 30%;
    text-align: center;
    padding: 20px;
    font-size: 18px;
    color: #00e6b3;
    border-radius: 10px;
    box-shadow: inset 5px 5px 10px #0b0b0b, inset -5px -5px 10px #202020;
    background: #1a1a1a;
}

.feature .icon {
    font-size: 40px;
    display: block;
    margin-bottom: 10px;
    color: #00e6b3;
}

.steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.step {
    text-align: center;
    max-width: 220px;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 6px 6px 12px #000000, -6px -6px 12px #222222;
    background: #111111;
}

.number {
    font-size: 50px;
    font-weight: bold;
    color: #00e6b3;
    display: block;
    margin-bottom: 10px;
    text-shadow: 0px 0px 10px #00e6b3;
}

.step p {
    font-size: 16px;
    color: #ddd;
}

.step-arrow {
    width: 80px;
}

.faq {
    max-width: 1000px;
    width: 90%;
    margin: auto;
    padding: 50px;
    background: #151515;
    box-shadow: 8px 8px 20px #000000, -8px -8px 20px #222222, 0 0 15px rgba(0, 230, 179, 0.5);
    border-radius: 15px;
}

.faq h2 {
    font-size: 28px;
    color: #00e6b3;
    text-align: center;
    margin-bottom: 20px;
}

.faq-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 20px;
}

.faq-item {
    background: #1a1a1a;
    padding: 15px 20px;
    border-radius: 10px;
    box-shadow: inset 5px 5px 10px #0b0b0b, inset -5px -5px 10px #202020;
    cursor: pointer;
    transition: 0.3s;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
}

.faq-item:hover {
    background: rgba(0, 230, 179, 0.1);
}

.faq-question {
    font-size: 18px;
    color: #00e6b3;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    cursor: pointer;
}

.faq-icon {
    font-size: 20px;
    font-weight: bold;
    color: #00e6b3;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    font-size: 16px;
    color: #bbb;
    text-align: center;
    width: 100%;
    padding: 0 10px;
    margin-top: 5px;
    transition: max-height 0.4s ease-in-out, opacity 0.3s ease-in-out;
    opacity: 0;
}

.faq-item.active .faq-answer {
    max-height: 150px;
    opacity: 1;
}

.cta h2 {
    color: #00e6b3;
}

.cta p {
    font-size: 18px;
}

.cta .btn-green {
    font-size: 18px;
}

@media (max-width: 767px) {
    html, body {
        overflow-x: hidden;
    }
    .hero {
        width: 100%;
        padding: 20px;
        margin: 40px auto 20px;
        text-align: center;
        animation: none !important;
        box-shadow: none !important;
        background: #111 !important;
    }
    .hero h1 {
        font-size: 28px;
        line-height: 1.2;
    }
    .hero p {
        font-size: 14px;
    }
    .btn-green {
        display: inline-block;
        padding: 10px 18px;
        font-size: 14px;
        animation: none !important;
        box-shadow: none !important;
    }
    .features,
    .how-it-works,
    .promo-tips,
    .faq,
    .cta {
        width: 100%;
        padding: 20px;
        margin: 10px auto;
        animation: none !important;
        box-shadow: none !important;
        background: #111 !important;
    }
    .features-grid {
        display: flex;
        flex-direction: column;
        gap: 12px;
    }
    .feature {
        width: 100%;
        padding: 12px;
        margin: 0 auto;
        font-size: 14px;
    }
    .feature .icon {
        font-size: 32px;
    }
    .steps {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }
    .step {
        width: 90%;
        max-width: none;
        padding: 12px;
        margin: 0 auto;
    }
    .number {
        font-size: 28px;
    }
    .step p {
        font-size: 13px;
    }
    .step-arrow {
        display: none !important;
    }
    .promo-tips .tip {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 10px;
        width: 100%;
        margin: 15px 0;
    }
    .promo-tips .tip img {
        width: 100%;
        height: auto;
        margin: 0 auto;
    }
    .promo-tips .tip-text {
        padding: 10px 0;
        width: 100%;
    }
    .promo-tips .tip-text h3 {
        font-size: 18px;
    }
    .promo-tips .tip-text p {
        font-size: 14px;
    }
    .cta h2 {
        font-size: 20px;
    }
    .cta p {
        font-size: 14px;
    }
    .cta .btn-green {
        padding: 10px 18px;
        font-size: 14px;
    }
    .faq-container {
        display: grid;
        grid-template-columns: 1fr;
        gap: 12px;
    }
    .faq-item {
        width: 100%;
        padding: 12px;
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    .faq-question {
        font-size: 14px;
        justify-content: center;
    }
    .faq-answer {
        font-size: 13px;
    }
}